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https://issues.apache.org/jira/browse/KYLIN-1865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shao Feng Shi reassigned KYLIN-1865:
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Assignee: (was: Hongbin Ma)
Labels: newbie (was: )
> segment auto merge based on calendar week, month and year
> ---------------------------------------------------------
>
> Key: KYLIN-1865
> URL: https://issues.apache.org/jira/browse/KYLIN-1865
> Project: Kylin
> Issue Type: Wish
> Reporter: Hongbin Ma
> Priority: Major
> Labels: newbie
>
> Currently kylin allows users to specify some time ranges like (7days, 30days,
> 365days) to instruct auto merging daily segments. However, the design fails
> to respect the boundary of calendar week/month/year, which is often useful
> for real applications. For example, if a query only wants a month's data by
> providing a filter like `date > 2010-01-01 and data < 2010-02-01`, with
> current auto merging design we may end up with visiting two adjacent 30 days
> long segments.
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